1|Page
Ontario Oil Burner Technician 3 (OBT3) Certification
Exam COMPLETE VERIFIED QUESTIONS AND
DETAILED SOLUTIONS LATEST UPDATE THIS YEAR-
JUST RELEASED.pdf||NEWEST EXAM!!!
___________ should be used when making sharp turn
cuts in sheet metal? - Answer-Compound Snips (Aviation
Snips)
Name four types of wrenches - Answer-Open end, box
end, cominations , adjustable
Pliers should not be exposed to excessive: - Answer-Heat
_____________ and ____________ determine a screw
size. - Answer-Length and Diameter
A ______________ is used to anchor into a hollow wall. -
Answer-Toggle Bolt
True or False:
Sheet metal screws are self tapping. - Answer-True
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"__________" cleat and an "__________" cleat are used
to join sheet metal connections. - Answer-"S" and "Drive"
Name three types of screw heads: - Answer-Philips,
Robertson, Slotted
A round headed bolt is called a: - Answer-Carriage Bolt
Name the two types of thread forms: - Answer-National
Fine, National Course
A ____________ hole is required to start most screw
types. - Answer-Pilot
A sheet metal joint can be further sealed with the use
of___________ - Answer-High temp foil tape
Washers help prevent a nut from: - Answer-Loosening
The volume of a structure which measures 10 ' long x 6 '
wide x 8 high is: - Answer-480 cu. Ft.
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The centigrade system of measurement is broken into
__________ units. - Answer-100
The widest measurement of a circle is called the: -
Answer-Diameter
Which oil nozzle has a wider spray angle:
a) 70° nozzle spray
b) 90 nozzle spray
c)450 nozzle spray
d) 60 nozzle spray - Answer-B
Which of the following should be worn when using power
tools?
a) Safety glasses
b) A hard hat
c) Leather gloves
d) Safety boots - Answer-A
, 4|Page
What is the minimum acceptable type of respiratory
protection to be used when cleaning a soot filled furnace?
- Answer-Disposable Filter Masks
What is the proper vertical to horizontal distance ratio for
ladder placement? - Answer-3:1 or 4:1
What muscles or parts of your body should you primarily
use to lift a weight from the floor? - Answer-Stomach
muscles and legs
When changing a drill bit or saw blade on a power tool,
what is first action that you should take? - Answer-
Disconnect from the power source
Name two safety concerns created by the customer's
housekeeping practices? - Answer-Messy and poor lit
work areas
Name two areas that each of the following substances
may be encountered in the oil heat trade: Asbestos and
Silica: - Answer-Insulation, older ceiling tile
Refactory material, cement
Ontario Oil Burner Technician 3 (OBT3) Certification
Exam COMPLETE VERIFIED QUESTIONS AND
DETAILED SOLUTIONS LATEST UPDATE THIS YEAR-
JUST RELEASED.pdf||NEWEST EXAM!!!
___________ should be used when making sharp turn
cuts in sheet metal? - Answer-Compound Snips (Aviation
Snips)
Name four types of wrenches - Answer-Open end, box
end, cominations , adjustable
Pliers should not be exposed to excessive: - Answer-Heat
_____________ and ____________ determine a screw
size. - Answer-Length and Diameter
A ______________ is used to anchor into a hollow wall. -
Answer-Toggle Bolt
True or False:
Sheet metal screws are self tapping. - Answer-True
,2|Page
"__________" cleat and an "__________" cleat are used
to join sheet metal connections. - Answer-"S" and "Drive"
Name three types of screw heads: - Answer-Philips,
Robertson, Slotted
A round headed bolt is called a: - Answer-Carriage Bolt
Name the two types of thread forms: - Answer-National
Fine, National Course
A ____________ hole is required to start most screw
types. - Answer-Pilot
A sheet metal joint can be further sealed with the use
of___________ - Answer-High temp foil tape
Washers help prevent a nut from: - Answer-Loosening
The volume of a structure which measures 10 ' long x 6 '
wide x 8 high is: - Answer-480 cu. Ft.
,3|Page
The centigrade system of measurement is broken into
__________ units. - Answer-100
The widest measurement of a circle is called the: -
Answer-Diameter
Which oil nozzle has a wider spray angle:
a) 70° nozzle spray
b) 90 nozzle spray
c)450 nozzle spray
d) 60 nozzle spray - Answer-B
Which of the following should be worn when using power
tools?
a) Safety glasses
b) A hard hat
c) Leather gloves
d) Safety boots - Answer-A
, 4|Page
What is the minimum acceptable type of respiratory
protection to be used when cleaning a soot filled furnace?
- Answer-Disposable Filter Masks
What is the proper vertical to horizontal distance ratio for
ladder placement? - Answer-3:1 or 4:1
What muscles or parts of your body should you primarily
use to lift a weight from the floor? - Answer-Stomach
muscles and legs
When changing a drill bit or saw blade on a power tool,
what is first action that you should take? - Answer-
Disconnect from the power source
Name two safety concerns created by the customer's
housekeeping practices? - Answer-Messy and poor lit
work areas
Name two areas that each of the following substances
may be encountered in the oil heat trade: Asbestos and
Silica: - Answer-Insulation, older ceiling tile
Refactory material, cement
